Nanaimo, Canada offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Nanaimo is known for its picturesque harbor, outdoor recreational activities, and the famous Nanaimo Bar dessert. The best time to travel to Nanaimo, Canada, is from June to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 16-20°C (61-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!